New basic implementation of Curve25519 (generic i15 code, experimental).
[BearSSL] / src / ssl / ssl_server.c
1 /*
2 * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25 #include "inner.h"
26
27 /* see bearssl_ssl.h */
28 void
29 br_ssl_server_zero(br_ssl_server_context *cc)
30 {
31 /*
32 * For really standard C, we should explicitly set to NULL all
33 * pointers, and 0 all other fields. However, on all our target
34 * architectures, a direct memset() will work, be faster, and
35 * use a lot less code.
36 */
37 memset(cc, 0, sizeof *cc);
38 }
39
40 /* see bearssl_ssl.h */
41 int
42 br_ssl_server_reset(br_ssl_server_context *cc)
43 {
44 br_ssl_engine_set_buffer(&cc->eng, NULL, 0, 0);
45 if (!br_ssl_engine_init_rand(&cc->eng)) {
46 return 0;
47 }
48 cc->eng.reneg = 0;
49 br_ssl_engine_hs_reset(&cc->eng,
50 br_ssl_hs_server_init_main, br_ssl_hs_server_run);
51 return br_ssl_engine_last_error(&cc->eng) == BR_ERR_OK;
52 }